"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are so many at-home products for frizz that promise to deliver smooth, silky hair. But nothing ...

I landed on a salon treatment called Saphira —touted as a clean alternative to keratin that smooths, strengthens, and adds ...

Every product on this page was chosen by a Harper's BAZAAR editor. We may earn commission on some of the items you choose to buy. Keratin is a beauty buzzword synonymous with smooth, shiny strands and ...

Follow me on ig & twitter @maryamjhampton Hey guys in today's video I will be straightening my hair using a keratin shampoo, ...

Keratin treatments – the most famous being the Brazillian blow dry – are most known for being temporary straightening treatments lasting around three months. At age 19, that's exactly what I was in ...

ELAINE D'FARLEY I'm usually the beauty guru, but in this case I'm going first to Arsen Gurgov, a hairstylist at Louis Licari in New York City, to get the straight story. Arsen, what is this keratin ...

This is the story of how a keratin hair straightening treatment changed my life. My journey began when I volunteered as tribute to undergo Goldwell's Kerasilk Control Keratin Treatment, a hair ...

This time of year, the heat and humidity is enough to make your hair stand on end. And the rest of the year isn't much better. But now there is a secret weapon for fighting the frizzies. The keratin ...

As beauty services go, keratin hair treatments might be the most controversial of the last decade, second only to indoor tanning, and maybe fake Kylie lip kits. And yet still two truths remain.